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Finding the Fourth Proportional to 93,384.65, 140,078.21 and 29,340.71

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Solution

The fourth proportional to 93,384.65, 140,078.21 and 29,340.71 is: 44,011.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,384.65 : 140,078.21 = 29,340.71 : x
  2. Step 2: Convert to fraction form
    93,384.65/140,078.21 = 29,340.71/x
  3. Step 3: Cross multiply
    93,384.65x = 140,078.21 × 29,340.71
  4. Step 4: Simplify right side
    93,384.65x = 4,109,993,289.83
  5. Step 5: Solve for x
    x = 4,109,993,289.83/93,384.65
  6. Step 6: Final answer
    x = 44,011.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.